Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Prof. Lawrence Siu-Yung Chan, MD, MHA

Individual provider Dermatology Physician · NPI 1912916263

Prof. Lawrence Siu-Yung Chan, MD, MHA practises Dermatology in Sacramento, California. Qualified in 1985, 41 years ago. Practices with Hilo Benioff Medical Center, a 131-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Hawaii and Illinois.

Years since qualifying
41
Licensed in
CA, HI, IL
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MHA — Master of Health Administration
A graduate degree in health management.

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Practice location Address checks out

3301 C St Ste 1400
Sacramento, CA 95816-3367
Phone: (916) 551-2608
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1801 W Taylor St, Chicago, IL 60612-4319 — (312) 996-8666

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence G70528 (CA)
Dermatology Physician Taxonomy 207N00000X · Licence 036-085852 (IL)
Dermatology Physician Taxonomy 207N00000X · Licence MD-25652 (HI)

Record details

NPI number1912916263
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MHA
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESJune 4, 2025
Certification dateJune 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Hilo Benioff Medical Center — 131 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 67 times · 73rd percentile
Melanoma (skin cancer) excision 14 times · 69th percentile
Skin biopsy 28 times · 65th percentile
Removal or shaving of skin growth 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients792
Services billed 2,701 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $47 2 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Hilo Benioff Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 131 clinicians in the practice; 12 are shown here.

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